Patents Assigned to Saint-Gobain Technical Fabrics Europe
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Patent number: 10173924Abstract: The invention relates to glass strands and glass strand structures coated with an electrically conducting coating composition which comprises (as % by weight of solid matter): 6 to 50% of a film-forming agent, preferably 6 to 45%, 5 to 40% of at least one compound chosen from plasticizing agents, surface-active agents and/or dispersing agents, 20 to 75% of electrically conducting particles, 0 to 10% of a doping agent, 0 to 10% of a thickening agent, 0 to 15% of additives. The invention also relates to the electrically conducting coating composition used to coat the said strands and strand structures, to their process of manufacture and to the composite materials including these strands or strand structures. Application to the preparation of structures and composite materials which can be heated by the Joule effect or which can be used for electromagnetic shielding.Type: GrantFiled: August 14, 2015Date of Patent: January 8, 2019Assignee: SAINT-GOBAIN TECHNICAL FABRICS EUROPEInventors: Patrick Moireau, Claire Ceugniet
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Publication number: 20160060165Abstract: The invention relates to glass strands and glass strand structures coated with an electrically conducting coating composition which comprises (as % by weight of solid matter): 6 to 50% of a film-forming agent, preferably 6 to 45%, 5 to 40% of at least one compound chosen from plasticizing agents, surface-active agents and/or dispersing agents, 20 to 75% of electrically conducting particles, 0 to 10% of a doping agent, 0 to 10% of a thickening agent, 0 to 15% of additives. The invention also relates to the electrically conducting coating composition used to coat the said strands and strand structures, to their process of manufacture and to the composite materials including these strands or strand structures. Application to the preparation of structures and composite materials which can be heated by the Joule effect or which can be used for electromagnetic shielding.Type: ApplicationFiled: August 14, 2015Publication date: March 3, 2016Applicant: SAINT-GOBAIN TECHNICAL FABRICS EUROPEInventors: Patrick MOIREAU, Claire CEUGNIET
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Publication number: 20130338288Abstract: The invention relates to a structure based on glass fiber coated with a resin composition designed to reinforce bonded abrasive articles, the resin composition including the following constituents in the proportions indicated, expressed in percentage by weight of solid matter: 75 to 98% of a mixture of at least one novolac having a glass transition temperature lower than or equal to 60° C. and at least one novolac having a glass transition temperature above 60° C., 0.5 to 10% of at least one wax, 0 to 3.5% of at least one plasticizing agent.Type: ApplicationFiled: July 11, 2013Publication date: December 19, 2013Applicant: SAINT-GOBAIN TECHNICAL FABRICS EUROPEInventors: Alix ARNAUD, Philippe ESPIARD, Claire CEUGNIET
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Patent number: 8367571Abstract: The invention relates to reinforcing glass strands, the composition of which comprises the following constituents within the limits defined below expressed as percentages by weight: SiO2 62-72% Al2O3 ?2-10% CaO ?7-20% MgO 1-7% Na2O + K2O + Li2O ??10-14.5% Li2O 0-2% BaO + SrO + ZnO 0-4% B2O3 0-4% F2 0-2% As2O3 ??0-0.15% These strands are composed of a low-cost glass offering an excellent compromise between the mechanical properties represented by the tensile strength and the fiberizing conditions. The invention also relates to the composites based on organic and/or inorganic material(s) and the aforementioned glass strands.Type: GrantFiled: October 30, 2008Date of Patent: February 5, 2013Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Anne Berthereau, Emmanuelle Picard, Jerome Lalande
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Patent number: 8318620Abstract: The invention relates to a glass yarn capable of being obtained by a method consisting of mechanically drawing molten glass threads flowing from orifices disposed at the base of a die, of which the chemical composition is substantially free from boron oxide and comprises the following constituents within the limits defined hereinafter expressed in percentages by weight: SiO2 40 to 50 Al2O3 18 to 28 CaO 4 to 15 MgO 0 to 6 Na2O 10 to 14 Na2O + K2O + Li2O 13 to 20 It also relates to composites containing such yarns.Type: GrantFiled: June 25, 2008Date of Patent: November 27, 2012Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Anne Berthereau, Jerome Lalande
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Patent number: 8273214Abstract: A process for producing a veil comprising glass fibers and cellulose fibers which includes dispersing cellulose fibers and chopped glass fibers into a white water, forming a bed in a forming device by passage of the dispersion over a forming fabric through which the white water is drained off, the fibers being retained on the fabric and the dispersion including, during passage, a cationic white water, and performing a heat treatment step an oven device.Type: GrantFiled: January 23, 2012Date of Patent: September 25, 2012Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Michel Droux, Carl Desaint Jean
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Patent number: 8215578Abstract: A winder including a frame. The frame includes at least one spindle configured to support at least one package, the spindle rotating about a first axis approximately perpendicular to the diameter of the package so as to draw and wind at least one strand in the form of a package, and at least one positioning and guiding device configured to position and guide at least the strand on the rotating spindle. A keeper is configured to keep the strand in contact with the positioning and guiding device.Type: GrantFiled: June 29, 2005Date of Patent: July 10, 2012Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Christophe Naulet, Jean-Michel Cogniaux, Pascal Frayer
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Publication number: 20120118521Abstract: A process for producing a veil comprising glass fibers and cellulose fibers which includes dispersing cellulose fibers and chopped glass fibers into a white water, forming a bed in a forming device by passage of the dispersion over a forming fabric through which the white water is drained off, the fibers being retained on the fabric and the dispersion including, during passage, a cationic white water, and performing a heat treatment step an oven device.Type: ApplicationFiled: January 23, 2012Publication date: May 17, 2012Applicant: SAINT-GOBAIN TECHNICAL FABRICS EUROPEInventors: Michel Droux, Carl Desaint Jean
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Patent number: 8173560Abstract: The invention relates to a glass strand, the chemical composition of which is substantially free of boron oxide and comprises the following constituents, in the limits defined below expressed as percentages by weight: SiO2 55 to 65 Al2O3 ?9 to 16 CaO 15 to 26 MgO 1 to 5 BaO + SrO 0.5 to 5?? Na2O + K2O + Li2 O 0 to 2 TiO2 0 to 1 ZnO 0 to 2 ZrO2 0 to 2. It also relates to composites comprising such strands.Type: GrantFiled: December 19, 2007Date of Patent: May 8, 2012Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Anne Berthereau, Emmanuel Lecomte
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Patent number: 8157957Abstract: A process for producing a veil comprising glass fibers and cellulose fibers which includes dispersing cellulose fibers and chopped glass fibers into a white water, forming a bed in a forming device by passage of the dispersion over a forming fabric through which the white water is drained off, the fibers being retained on the fabric and the dispersion including, during passage, a cationic white water, and performing a heat treatment step an oven device.Type: GrantFiled: January 7, 2004Date of Patent: April 17, 2012Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Michel Droux, Carl DeSaint Jean
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Patent number: 8128017Abstract: A winding machine including a frame. The frame includes at least one spindle configured to support at least one cake, the spindle being movable in rotation about a first axis substantially perpendicular to the diameter of the cake, and at least one positioning and guidance device configured to position and guide at least one thread on the rotating spindle. The spindle is mounted so as to be movable linearly along the first axis of rotation.Type: GrantFiled: January 22, 2004Date of Patent: March 6, 2012Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Christophe Naulet, Jean-Marc Bouvier, Jerome Vollet
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Patent number: 8033327Abstract: A device for extracting heat from gas, particularly combustion gas, containing dust and/or condensable substances, for recovering condensates, and including at least one heat exchanger including a shell having a symmetry of revolution surrounded by a cooling jacket. The device includes an opening for passage of a surfactant for treating the internal surface of the shell, the shell including at least one mechanism creating a substantially helicoid rotating gas stream in at least part of the shell.Type: GrantFiled: February 3, 2006Date of Patent: October 11, 2011Assignee: Saint-Gobain Technical Fabrics EuropeInventor: Christian Van Hees
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Publication number: 20110076500Abstract: (EN) Process for surface functionalization of a glass reinforcement, characterized in that the said reinforcements are chemically modified by means of surface treatment by the action of a homogeneous plasma at atmospheric or sub-atmospheric pressure in a controlled, oxidizing or nitriding gas atmosphere, and in that the said surface portion is contacted with an aqueous impregnating solution of an organic or inorganic matrix, or directly with the matrix.Type: ApplicationFiled: March 30, 2007Publication date: March 31, 2011Applicant: SAINT-GOBAIN TECHNICAL FABRICS EUROPEInventors: Patrick Moireau, Maxime Duran, Jean-Baptiste Denis
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Publication number: 20110039681Abstract: The invention relates to glass strands especially for the production of composites having an organic and/or inorganic matrix, the composition of which strands comprises the following constituents in the limits defined below, expressed as percentages by weight: SiO2 50-65% Al2O3 12-23% SiO2 + Al2O3 ??>79% CaO ?1-10% MgO ?6-12% Li2O ?1-3%, preferably 1-2% BaO + SrO ?0-3% B2O3 ?0-3% TiO2 ?0-3% Na2O + K2O ??<2% F2 ?0-1% Fe2O3 ??<1%. These strands are made of a glass offering an excellent compromise between its mechanical properties, represented by the specific Young's modulus, and its melting and fiberizing conditions.Type: ApplicationFiled: April 22, 2009Publication date: February 17, 2011Applicant: SAINT-GOBAIN TECHNICAL FABRICS EUROPEInventor: Emmanuel Lecomte
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Publication number: 20110036125Abstract: Flow block (1), intended for a fiberizing installation and for receiving molten material, comprising a single cavity (10) which has a flow channel (11) bounded by a wall (11a). The inlet orifice (12) has a shape which is asymmetrical with respect to the mid-plane (Y) of the block extending along the shortest extension and has an upstream part on the glass inflow side which is wider than its opposite downstream part with respect to the mid-plane. Furthermore, the slope of the wall (11a) on the upstream side is advantageously steeper than the slope of the downstream side. The invention also relates to the bushing block, which is very squat compared with the flow block.Type: ApplicationFiled: October 21, 2008Publication date: February 17, 2011Applicant: Saint-Gobain Technical Fabrics EuropeInventors: Olivier Bony, Aurelien Berthelot, Alessandro Giassi, Francois Vianey
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Patent number: 7886562Abstract: The present invention relates to a process for producing glass strands coated with a hot-melt size, whereby molten glass streams, flowing out of orifices located in the base of one or more bushings, are drawn in the form of one or more sheets of continuous filaments, the filaments are then assembled into one or more strands that are collected on one or more moving supports, this process consisting in depositing a first composition containing a coupling agent on the glass filaments and then in depositing a second composition comprising a hot-melt polymer in the melt state, at the latest during assembly of the filaments into one or more strands. It also relates to the glass strands obtained according to this process and to the composites containing said strands.Type: GrantFiled: March 17, 2004Date of Patent: February 15, 2011Assignee: Saint-Gobain Technical fabrics EuropeInventors: Bruno Gas, Herve Bourgeoisat, Yvan Besson, Daniel Richard
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Publication number: 20110033702Abstract: The present invention relates to a sizing composition in the form of a physical gel for glass strands which comprises (as % by weight): 0.1 to 5% of at least one texturing agent chosen from xanthans, guars and succinoglycans 2 to 8% of at least one film-forming agent 0.1 to 8% of at least one compound chosen from the group consisting of plasticizing agents, surface-active agents and dispersing agents 0.1 to 4% of at least one coupling agent 0 to 6% of at least one additive. Another subject-matter of the present invention is the glass strands coated with the abovementioned sizing composition and the composite materials comprising an organic or inorganic material reinforced with the said glass strands.Type: ApplicationFiled: September 4, 2008Publication date: February 10, 2011Applicant: SAINT-GOBAIN TECHNICAL FABRICS EUROPEInventors: Dominique Serrughetti, Jean-Baptiste Denis, Patrick Moireau
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Patent number: 7866590Abstract: A winder including a frame including at least one spindle configured to support at least one cake, the spindle able to rotate about a first axis approximately perpendicular to the diameter of the cake, and at least one crosswinding device configured to deposit at least one strand on the spindle with a first traversing movement. The strand is further deposited on the spindle by a follower with a second traversing movement. The follower includes a control device for controlling the second traversing movement.Type: GrantFiled: June 20, 2006Date of Patent: January 11, 2011Assignee: Saint-Gobain Technical Fabrics EuropeInventors: Christophe Naulet, Jean-Marc Bouvier
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Patent number: 7811954Abstract: The invention relates to glass reinforcement strands, the composition of which comprises the following constituents in the limits defined below, expressed as percentages by weight: 59 to 63% SiO2; 10 to 16% Al2O3; 16 to 23% CaO; 1 to 3.2% MgO; 0 to 2% Na2O+K2O+Li2O; 0 to 1% TiO2; 0.1 to 1.8% B2O3; 0 to 0.5% Li2O; 0 to 0.4% ZnO; 0 to 1% MnO; and 0 to 0.5% F. These strands have improved properties in terms of mechanical strength, acid resistance and high-temperature resistance for a low-cost composition. The invention also relates to a process for producing the said strands and to the composition allowing them to be produced.Type: GrantFiled: March 14, 2005Date of Patent: October 12, 2010Assignee: Saint-Gobain Technical fabrics EuropeInventors: Anne Berthereau, Emmanuel Lecomte, Sophie Creux
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Publication number: 20100248928Abstract: The invention relates to reinforcing glass strands, the composition of which comprises the following constituents within the limits defined below expressed as percentages by weight: SiO2 62-72% Al2O3 ?2-10% CaO ?7-20% MgO 1-7% Na2O + K2O + Li2O ??10-14.5% Li2O 0-2% BaO + SrO + ZnO 0-4% B2O3 0-4% F2 0-2% As2O3 ??0-0.15% These strands are composed of a low-cost glass offering an excellent compromise between the mechanical properties represented by the tensile strength and the fiberizing conditions. The invention also relates to the composites based on organic and/or inorganic material(s) and the aforementioned glass strands.Type: ApplicationFiled: October 30, 2008Publication date: September 30, 2010Applicant: SAINT-GOBAIN TECHNICAL FABRICS EUROPEInventors: Anne Berthereau, Emmanuelle Picard, Jerome Lalande